2 years ago

One number is 7 less than another. If 4 times the smaller number plus 2 times the larger number is 62, find the two numbers.

1 answer:

4 0

X=Y-7

4X+2Y=62

4(Y-7)+2Y=62

4Y-28+2Y=62

6Y=62+28

6Y=90

Y=90/6

Y=15
Larger number^

X=15-7=8
Smaller number^
PROOF:
4*8+2*15=62

32+30=62

62=62
Hope this helps.

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